
Fetal Development: Week-by-Week Stages of Pregnancy
Fetal development is how a fetus grows during pregnancy. It begins at conception and ends at birth. Many changes occur to the fetus and the pregnant person in this time.
Fetus - Wikipedia
In human prenatal development, fetal development begins from the ninth week after fertilization (which is the eleventh week of gestational age) and continues until the birth of a newborn.
Fetal development by week: Your baby in the womb
Apr 10, 2025 · Curious about how your baby is developing in the womb? Here's a breakdown of fetal development week by week.
Fetal Development — Perinatology.com
Dec 7, 2025 · Fetal development from conception to term, including a gestational age calculator from the estimated due date and a fetal development critical periods chart.
How Your Fetus Grows During Pregnancy - ACOG
Although each pregnancy is unique, fetal growth and development follow a pattern.
Fetal Development: The Complete Week-by-Week Guide (2026)
Jun 17, 2025 · This guide highlights fetal development week by week, from early heartbeats to birth milestones. Fetal development is a continuous, dynamic process that begins at …
The Fetal Medicine Foundation
Dec 7, 2025 · The Fetal Medicine Foundation is a Registered Charity that aims to improve the health of pregnant women and their babies through research and training in fetal medicine.
Fetal development: The first trimester - Mayo Clinic
Mar 18, 2025 · Fetal development starts soon after conception. Find out how your baby grows and develops during the first trimester. You're pregnant. Congratulations! As your pregnancy goes …
Embryo vs. Fetus: What’s the Difference? - Healthline
Apr 12, 2023 · During each week of pregnancy, your baby is growing. Here’s a look at what medical terms like embryo and fetus mean in terms of development.
Definition of fetal - NCI Dictionary of Cancer Terms
fetal (FEE-tul) Having to do with a fetus. A fetus is an unborn offspring that develops and grows inside the uterus (womb) of humans and other mammals. In humans, the fetal period begins at …